gallup — George Horace, 1901–84, U.S. statistician.
scallop — any of the bivalve mollusks of the genus Argopecten (Pecten) and related genera that swim by rapidly clapping the fluted shell valves together.
Three-syllable rhymes
bay scallop — a small scallop, Pecten irradians, inhabiting shallow waters and mud flats from southeastern Canada to the Gulf of Mexico, especially eastern Long Island Sound.
